#include <ctime>
#include <iostream>
#include <fstream>

using namespace std;

void bubbleSort(int list[], int listLength){
    while (listLength--) {
        bool swapped = false;

        for(int i = 0; i < listLength; i ++) {
            if (list[i] > list[i + 1]) {
                swap(list[i], list[i + 1]);
                swapped = true;
            }
        }

        if(swapped == false) break;
    }
}


void read_from_file(const char *filename, int a[], int length) {
    ifstream file(filename);

    for (int i=0; i < length; i++)
        file >> a[i];
}
int main()
{
    #define LEN 5000
    int a[LEN];

    read_from_file('m1_sorted.txt', a, LEN);
    unsigned int t_start = clock();
    bubbleSort(a, LEN);
    unsigned int t_finish = clock();
    unsigned int t_work = t_finish - t_start;
    cout<<'m1_sorted' <<t_work <<'milliseconds \n';

    read_from_file('m2_revere.txt', a, LEN);
    t_start = clock();
    bubbleSort(a, LEN);
    t_finish = clock();
    t_work = t_finish - t_start;
    cout<<'m2_reverse' <<t_work <<'milliseconds \n';

    read_from_file('m3_shuffle.txt', a, LEN);
    t_start = clock();
    bubbleSort(a, LEN);
    t_finish = clock();
    t_work = t_finish - t_start;
    cout<<'m3_shuffle' <<t_work <<'milliseconds \n';

    return 0;
}
